MXPA05006879A - Transcutaneous energy transfer primary coil with a high aspect ferrite core. - Google Patents

Transcutaneous energy transfer primary coil with a high aspect ferrite core.

Info

Publication number
MXPA05006879A
MXPA05006879A MXPA05006879A MXPA05006879A MXPA05006879A MX PA05006879 A MXPA05006879 A MX PA05006879A MX PA05006879 A MXPA05006879 A MX PA05006879A MX PA05006879 A MXPA05006879 A MX PA05006879A MX PA05006879 A MXPA05006879 A MX PA05006879A
Authority
MX
Mexico
Prior art keywords
primary coil
port
saline solution
energy transfer
ferrite core
Prior art date
Application number
MXPA05006879A
Other languages
Spanish (es)
Inventor
James R Giordano
Original Assignee
Johnson & Johnson
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Johnson & Johnson filed Critical Johnson & Johnson
Publication of MXPA05006879A publication Critical patent/MXPA05006879A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils
    • H01F5/04—Arrangements of electric connections to coils, e.g. leads
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/372—Arrangements in connection with the implantation of stimulators
    • A61N1/378—Electrical supply
    • A61N1/3787—Electrical supply from an external energy source

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Radiology & Medical Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Power Engineering (AREA)
  • Prostheses (AREA)
  • Magnetic Treatment Devices (AREA)
  • Electrotherapy Devices (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Surgical Instruments (AREA)

Abstract

Adjustable gastric band implants contain a hollow elastomeric balloon with fixed end points encircling a patient's stomach just inferior to the esophago-gastric junction. These balloons can expand and contract through the introduction of saline solution into the balloon. In current bands, this saline solution must be injected into a subcutaneous port with a needle to reach the port located below the skin surface. The port communicates hydraulically with the band via a catheter. As an alternative to using a percutaneously accessed injection port, a system for regulating the flow of saline that is totally implanted may rely upon bi-directionally pumping fluid from an implant device. This system instead transfers AC magnetic flux energy from an external primary coil to a secondary coil that powers the pump in the implanted reservoir. A magnetically permeable rod centered within the primary coil increases power coupled to the secondary coil.
MXPA05006879A 2004-06-24 2005-06-23 Transcutaneous energy transfer primary coil with a high aspect ferrite core. MXPA05006879A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/876,313 US7599744B2 (en) 2004-06-24 2004-06-24 Transcutaneous energy transfer primary coil with a high aspect ferrite core

Publications (1)

Publication Number Publication Date
MXPA05006879A true MXPA05006879A (en) 2006-01-11

Family

ID=34979234

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA05006879A MXPA05006879A (en) 2004-06-24 2005-06-23 Transcutaneous energy transfer primary coil with a high aspect ferrite core.

Country Status (10)

Country Link
US (1) US7599744B2 (en)
EP (3) EP2905051A1 (en)
JP (1) JP2006006947A (en)
KR (1) KR20060049665A (en)
CN (1) CN1721012B (en)
AU (1) AU2005202333B2 (en)
BR (1) BRPI0502331A (en)
CA (1) CA2510076C (en)
MX (1) MXPA05006879A (en)
RU (1) RU2005119618A (en)

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